1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6cdf4834d0c9c336d128e3ebb7c435da5b4231233f7d4b900d2c472abd5afb9. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa0d3484-86fa-4205-932a-96e6c82e45f3.json and https://artists.proofprofile.net/proofs/artist/fa0d3484-86fa-4205-932a-96e6c82e45f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x715eeb07222df1edb1e310c2a3455eadbbbcb5c7ad67abdcd03400608c6fd839. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598d6f0f17267e1b1e80d0f8567df01691d7e33ed5de1da48a3ff1efe6f6e731. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce83fcdbea535b06fc57e5a2d357ea9aad8e2afde297d766d6aa117464068c7c. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c02d26b95b768fd3c539b56b065c004e8206d34954ad955c4bad34aea75962f. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3918f600af721fc5260352345b181a972d84a0347f84046d281a7eccddf8896b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda1806a60c679a0507ee09021f112fbb4970aed918cc717f02941890fbb9e8be. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3845aeec5439290f4209bcf8c662c4931f96a19a5f5ac9e4cf704e06deb2bf04. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT0501600394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32a9dd27684a8b199fe17e7478c99fc5b311ae3cf57b1c9d88b4e4ffacf8346. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFD2032014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07897a236bd742c0e491714b0cd3ef67a2f163f1f4a71dbec99d5dd50eb04e92. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFD2031929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b67b908077db9510dd526a92527046917566a5806aa8a318004b4544cce7ee. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFF2016890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x450a0514a2538a10436b701e815cdc3b611aae00361f08967382ca6fa6274efe. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa340faa0e2eef9dd81237c8478b9917ceb6edf1b235a01e4616ae7354f3c0547. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0247839dfc768ea4f398f872ad69d3132ebbd55f84d21eaebdb575a6bb4d2e77. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcd04fe638b94c6b2a6bfc5c35c63b6268d925464c418132d93c23c0134ba427. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226926f037dc6b1b456d7ec790fb0d3f0b4b310f1f625b2197a73c218f8311b3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cda2634a0bc8bab74d4a438643256d3086b54f4c1da88ffed78f4cb5345da07. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe953e2091cdff495562c00833be7e76d164c0ded286a02c48d9734d9e3c68d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x861e13157c723800b29af31e7aba366edba1ce41158a5e35ba2c43399e991765. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83a02af9f9628ed932d77e1807663edd928567160ce7a95b0ef717a749d12b08. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc87e0da1f6c476294a666108e7aeadb6589f5de079e6712133bc0ba4b388e941. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8c6d4ee0402a000a78885f4b35f1a2104dde3c17930c307602f5bf8d8f33c1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5f1c207be8d44255c1a3b08ba6e6e2ff7838ec9c5265e0ad1d5b32b4d08b9a6. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAEP2048600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821241312fc9a06447507be0b75e8bcc1ee4979b85dc7f9a2b1c6dde92dc39a5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e0954444835ab7801c10a26d2f30a163ad3f0119bc89cfb26bc545b7583a60a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x377cacd780b3c13cbb283831f4f07147bdd22a53166c812a940093c53da3cc9b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cf012acb61e9a472e7f8f4fb21a535f65414e03ee2f7bc4bced4782e02b33d0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f93975cf22a549502d60a4169f666d1b10bb1db00d8c5b0cf1478d898ec8953. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500411.
Tutto qua (feat. Francesco Paura, Danno & Dj Argento)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89150520e9a1a2202af23b20478e647854def55eb600a1fa6921b5ed1de31069. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f7c227a91ba7a513b6df7bcc5fd0e174a7079958ad9fed22bfa0cace9f8041. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83af62fd137cb40f2b21741ac3830e792911ef4c44431739605282ac2f6faf6d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ad7e17989e22c0d07baac8408786ddc60921f3eb495c0d2c5869608c91b6c2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a40d1a45bbe49dc1ad6d5f608a39ce3bf239cfac4188497f7498120c52428d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30876fe9d2aad60f2f92fece4a0ee0ab2986fe644d32f54fdd38cce40dc11e07. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe6f95923e0939d43921f6781b767c0acb256010b182f9baf0496d3e28800fc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x325c739f065e6af7861a8c45d53eea27c2286dcb53069b8c71b26321684e3503. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81262240cbd72a4f13647a3860544f2f7e7d1768b230ea5f78a4085109d0e5ca. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628f80be1ea8001979fdf6bb39c2aff5f11abcdf2a73631383d15e6f57132bcf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954ff50228a86c544ea72329e780ad396e1ecec2e11928552f6ebab7b3527562. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff649f6c489b695cf6789cc7a9ae86499adc5a086275bfc5eb85e9f2f14bda5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITI021500423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ae027bc00434761061c2686e00b142fa9ba85b68f30acbbc7cd29822d3bdd7a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRS182057739.
Punti Di Domanda (2005 Alternative) [Remix]